Запрос на слияние 'maria' (#1) из maria в master

update README.md

update prog.py

update README.md

update README.md

update README.md

update README.MD

update prog.py

update README.md

update README.md

create README.md

update student1.md

update README.md

update README.md

update README.md

create prog.py

delete README.md

create README.md

create README.md